100 Level Department of Science Laboratory Technology exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
(a) Differentiate between melting and vaporization.
(b) State 3 (three) factors each affecting the following:
i. Boiling point
ii. Melting point
iii. Evaporation
(c) If 2.15×106 J of heat energy is required to convert 0.5 kg of steam to water, calculate the specific latent heat of vaporization of steam.
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![Calculate the energy required to vapourize 50g of water initially at 80°C.[specific heat capacity of water = 2260Jg‾¹K‾¹] [specific latent heat of vaporization of water = 2260Jg‾¹]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Calculate the energy required to vapourize 50g of water initially at 80°C.[specific heat capacity of water = 2260Jg‾¹K‾¹] [specific latent heat of vaporization of water = 2260Jg‾¹]")
